From 4356c9c65a29b834d5cdb40ff3b5367e2189c643 Mon Sep 17 00:00:00 2001 From: Charlene Liu Date: Wed, 12 Sep 2018 18:22:16 -0400 Subject: [PATCH 5487/5725] drm/amd/display: fix 4K stereo screen flash issue [Why] HDMI_scramber is not enabled for pixel rate >340Mhz. [How] Calculate the phy clock to include the Hw frame packing factor. Signed-off-by: Charlene Liu Reviewed-by: Chris Park Acked-by: Leo Li --- drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 6d27db6..28a9b24 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1956,6 +1956,9 @@ static void calculate_phy_pix_clks(struct dc_stream_state *stream) else stream->phy_pix_clk = stream->timing.pix_clk_khz; + + if (stream->timing.timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING) + stream->phy_pix_clk *= 2; } enum dc_status resource_map_pool_resources( -- 2.7.4